Double your money-Rule of 72. Approximately how long will it take to double your money if you get an annual return of 4.6%, 7.1%, or 10 4% on your investment? Approximately how long will it take to...

Extracted text: Double your money-Rule of 72. Approximately how long will it take to double your money if you get an annual return of 4.6%, 7.1%, or 10 4% on your investment? Approximately how long will it take to double your money if you get a 4.6% annual return on your investment? years (Round to two decimal places.)